Osg Usa 1121301 3/8-16 H3 4-Flute High Speed Steel Plug Hand Tap Steam Oxide
Why you'll like it
- Enhanced Durability — Constructed from high-speed steel to provide superior wear resistance and extended service life.
- Improved Lubricity — Features a steam oxide surface treatment that reduces friction and optimizes chip flow.
- Versatile Application — Engineered with a plug style chamfer suitable for both blind and through-hole internal threading operations.
- Standard Compatibility — Designed with a 3/8-16 UNC thread size and H3 pitch diameter limit for dependable mechanical fits.
Product details
Description
Crafted for precision threading performance, the OSG USA 1121301 3/8-16 H3 4-Flute High Speed Steel Plug Hand Tap is an essential cutting tool engineered for both blind and through-hole internal threading. Manufactured in the United States using robust high-speed steel, this tool delivers exceptional durability, wear resistance, and long-lasting structural integrity across various workshop applications.
It features a specialized steam oxide surface treatment that enhances mechanical lubricity, promoting smoother chip flow and reducing friction during operation. Designed with an H3 pitch diameter limit and a standard plug chamfer style, it accommodates general-purpose tapping needs on mild steels, medium carbon steels, and aluminum.
Whether you are building custom machinery or performing routine maintenance, this genuine USA-imported instrument ensures accurate and reliable thread creation every time.
How to use
- Ensure the workpiece is securely clamped and drill a hole using the appropriate tap drill size.
- Align the 4-flute plug hand tap squarely with the hole and apply suitable cutting fluid.
- Rotate the tap clockwise using a compatible tap wrench to cut internal threads, occasionally reversing slightly to break chips.
Ingredients
High-Speed Steel (HSS) substrate with a Steam Oxide surface finish.
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Osg Usa |
|---|---|
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
What material are you planning to tap?
This high-speed steel tap is commonly used on mild steels, medium carbon steels, and aluminum materials for reliable internal threading.
Do you need the recommended tap drill size?
The minimum recommended tap drill size for this 3/8-16 UNC thread is approximately 0.307 inches, with a maximum size of 0.321 inches.
What is the chamfer style of this hand tap?
This tool features a plug style chamfer with approximately 3 to 5 threads tapered, making it ideal for general-purpose through-hole and blind-hole threading.
Are these USA-imported cutting tools authentic on Dropy India?
Yes, all products on Dropy India, including this OSG USA industrial tool, are 100% authentic and sourced directly from the United States.
What surface treatment does this hand tap feature?
It features a steam oxide coating that increases mechanical lubricity and improves chip evacuation during heavy-duty tapping operations.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.